IronOCR for .NET Releases

Learn what's new across releases, with details of features, enhancements, and resolved issues.

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IronOCR for .NET 2026.8.1Aug 3, 2026
Features
  • Updated internal dependencies.
Fixes
  • Fixed stability issues when OCR-ing large volumes of PDFs in parallel, and added controls to limit OCR memory usage.
  • Fixed loading of large TIFF files and improved error messages for unsupported TIFF images.
IronOCR for .NET 2026.7.2Jun 26, 2026
Features
  • Updated Android native libraries to support 16 KB memory page sizes, ensuring compatibility with Android 15 and newer devices.
  • Updated internal dependencies.
Fixes
  • Fixed a PDF/A compliance issue affecting searchable PDFs containing complex-script fonts such as Arabic.
IronOCR for .NET 2026.6.1May 26, 2026
Features
  • Improved searchable PDF OCR alignment for numeric content with refined digit width compensation and font sizing accuracy.
  • Updated internal dependencies.
IronOCR for .NET 2026.5.2Apr 29, 2026
Features
  • Added word-level coordinates to OcrDocAdvancedResult for improved reading order reconstruction.
  • Updated internal dependencies.
Fixes
  • Fixed ReadHandwriting() crash on skewed or difficult inputs; now returns an empty result when no text can be extracted.
  • Corrected bounding box coordinates in ReadPhoto() and ReadScreenShot() when AdvancedScan resizes images, preventing out-of-bounds regions and crop/PDF errors.
  • Fixed an issue where TIFF images with orientation tags were incorrectly flipped or rotated during loading, saving, or bitmap conversion.
IronOCR for .NET 2026.4.1Mar 27, 2026
Features
  • Added full International Civil Aviation Organization (ICAO) MRZ field extraction and best-effort VIZ Date of Issue detection to 'PassportInfo'.
  • Updated internal dependencies.
Fixes
  • Fixed crash in 'SaveAsSearchablePdf' when using Scale() or EnhanceResolution() during batch text rendering.
  • Fixed System.Memory assembly version conflict (FileLoadException) affecting .NET Framework 4.8 customers.
IronOCR for .NET 2026.3.3Mar 1, 2026
Features
  • Added Custom Font support for searchable PDF generation.
  • Updated internal dependencies.
Fixes
  • Fixed ReadPhoto and ReadScreenShot crash when no text is detected.
  • Fixed an issue where Unicode characters and non-standard fonts were not rendering correctly in draw text operations.
  • Fixed UTF-8 character rendering issues.
  • Fixed unnecessary HOCR generation and temp file cleanup issues.
IronOCR for .NET 2026.2.1Feb 17, 2026
Features
  • Updated internal dependencies.
IronOCR for .NET 2026.1.2Major versionFeb 11, 2026
Features
  • Updated internal dependencies.